Paving stone



FIG. 1 is a top and side perspective view of a paving stone showing one embodiment of my new design;

FIG. 2 is a top and side perspective view of a paving stone showing another embodiment thereof; and,

FIG. 3 is a top and side perspective view of a paving stone showing a further embodiment thereof.

The surfaces or portions of the article not shown in the drawing or described in the specification form no part of the claimed design. 

The ornamental design for a paving stone, as shown and described. 